VizieR

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VizieR

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V/153/mstars4 LAMOST DR4 catalogs (Luo+, 2018)
M type stars catalog (433481 rows)
  recno=340047
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ColumnValue  Explain   (UCD)
_RAJ200022 55 59.784552000 "h:m:s" Right ascension (FK5, Equinox=J2000.0) (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.eq.ra)
_DEJ2000+17 48 42.38568000 "d:m:s" Declination (FK5, Equinox=J2000.0) (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.eq.dec)
_RAB195022 53 31.985173971 "h:m:s" Right ascension (FK4, Equinox=B1950.0) (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.eq.ra)
_DEB1950+17 32 40.73453121 "d:m:s" Declination (FK4, Equinox=B1950.0) (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.eq.dec)
_Glon087.773586262387 deg Galactic longitude (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.galactic.lon)
_Glat-37.056852705144 deg Galactic latitude (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.galactic.lat)
340047recno 340047  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

ObsID363013021   [101050/462815158] Observation ID (meta.id)
TargetJ225559.78+174842.3  Target Designation (JHHMMSS.ss+DDMMSS.s) (meta.id;meta.main)
ObsDate2015-10-02 "Y:M:D" Target Observation Date (time.epoch;obs)
LMJD57298 d [55859/57542] Local Modified Julian Day (time.epoch)
MJD57297 d [55858/57541] Modified Julian Day (time.epoch)
PlanIdEG224702N171358V01  Plan Name (obs.field)
spId13   [1/16] Spectrograph ID (meta.id;instr)
FiberId 21   [1/250] Fiber ID (meta.id)
RAJ2000343.9991023000 deg (i) Fiber pointing right Ascension (J2000) (pos.eq.ra;meta.main)
DEJ2000+17.8117738000 deg (i) Fiber pointing declination (J2000) (pos.eq.dec;meta.main)
snru 6.81   Signal Noise Ratio of u filter (stat.snr)
snrg107.49   Signal Noise Ratio of g filter (stat.snr)
snrr238.22   Signal Noise Ratio of r filter (stat.snr)
snri370.07   Signal Noise Ratio of i filter (stat.snr)
snrz316.74   Signal Noise Ratio of z filter (stat.snr)
objTypeStar  Object Type (src.class)
ClassSTAR  Stellar Class (src.class)
SubClassM0  Stellar Sub-Class (src.class)
z -0.0000701300   Redshift (src.redshift)
e_z 0.0000062600   []? rms uncertainty on z (stat.error;src.redshift)
magTypegri  Target Magnitude Type (meta.note)
mag111.20 mag Magnitude in band 1 of magType (phot.mag)
mag2 9.90 mag Magnitude in band 2 of magType (phot.mag)
mag3 9.02 mag Magnitude in band 3 of magType (phot.mag)
mag4  mag Magnitude in band 4 of magType (phot.mag)
mag5  mag Magnitude in band 5 of magType (phot.mag)
mag6  mag Magnitude in band 6 of magType (phot.mag)
mag7  mag Magnitude in band 7 of magType (phot.mag)
tsourceLEGUE_LCH  Organization or person who submits input catalog (meta.curation)
FiberTypeObj  Fiber Type of target (Obj, Sky, F-std, Unused, PosErr, Dead) (meta.note)
tfromLCH001003  Input catalog submitted by an organization or a person determined by the tsource (obs.observer)
tInfo<offset, 9.90, 343.999373610, 17.811064170, 2.72>13788432552176882  Target ID from SDSS, UCAC4, PANSTAR and other catalogue (meta.bib)
n_offset1   [0/1] Whether there is a fiber offset during observation (meta.note)
offset 2.720 arcsec If offset is true, it gives the offset distance from the target's coordinator in input catalog (pos.angDistance;arith.diff)
RA1deg343.9993736100  Right ascension from input catalog (J2000) (pos.eq.ra)
DE1deg17.8110641700  Declination from input catalog (J2000) (pos.eq.dec)
EWHa -0.098188 0.1nm Halpha equivalent width (spect.line.eqWidth;em.line.Halpha)
e_EWHa 0.000589 0.1nm rms uncertainty on EWHa (stat.error)
TiO5 0.670136   Spectral index of TiO5 (spect.index)
CaH2 0.659897   Spectral index of CaH2 (spect.index)
CaH3 0.832133   Spectral index of CaH3 (spect.index)
TiO1 0.852627   Spectral index of TiO1 (spect.index)
TiO2 0.826727   Spectral index of TiO2 (spect.index)
TiO3 0.858830   Spectral index of TiO3 (spect.index)
TiO4 0.824319   Spectral index of TiO4 (spect.index)
CaH1 0.844612   Spectral index of CaH1 (spect.index)
CaOH 0.676981   Spectral index of CaOH (spect.index)
e_TiO5 0.000103   rms uncertainty on TiO5 (stat.error)
e_CaH2 0.000086   rms uncertainty on CaH2 (stat.error)
e_CaH3 0.000105   rms uncertainty on CaH3 (stat.error)
e_TiO1 0.000166   rms uncertainty on TiO1 (stat.error)
e_TiO2 0.000167   rms uncertainty on TiO2 (stat.error)
e_TiO3 0.000146   rms uncertainty on TiO3 (stat.error)
e_TiO4 0.000148   rms uncertainty on TiO4 (stat.error)
e_CaH1 0.000088   rms uncertainty on CAH1 (stat.error)
e_CaOH 0.000105   rms uncertainty on CaOH (stat.error)
zeta 1.304744   Metallicity sensitive parameter (phys.abund.Z)
e_zeta 0.000674   rms uncertainty on zeta (stat.error)
MA 0.00   Magnetic activity (meta.code)
NA 0.909839 0.1nm Line index of Na Line (spect.index)
  
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